繁殖期雄鳥 © Darren Clark eBird S58837794 Macaulay Library ML 172924761
非繁殖期雄鳥 © Matt Davis
繁殖期雌鳥 © Jay McGowan
未成鳥 © Jonathan Irons
換羽雄鳥 © Scott Martin
+ 10
雌鳥/未成鳥 © Tim Lenz
繁殖期雄鳥 © Ian Routley
飛行中 © Doug Gochfeld
繁殖期雌鳥 © Don Blecha
換羽雄鳥 © Tony Dvorak
繁殖期雄鳥 © Mason Maron
雄鳥和雌鳥 © Daniel Irons
成鳥和幼鳥 © Sunil Thirkannad
鳥群 © Robert Dixon

American Goldfinch Spinus tristis

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辨識

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Small finch. Sharply pointed bill is pink in summer, grayish-brown in winter. Small head, long wings, and short, notched tail. Adult males in spring and summer are bright yellow with black forehead and wings. Females are dull yellow below and olive above with two distinct wingbars. In winter, they are drab, buffy-brown. Active and acrobatic. Sometimes in large numbers at feeders or on ground below. Found in weedy fields, cultivated areas, roadsides, orchards, and backyards.

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